Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:05:49 2013 Optimize a model with 97216 rows, 96236 columns and 384356 nonzeros Presolve removed 98 rows and 0 columns Presolve time: 0.48s Presolved: 97118 rows, 96236 columns, 384258 nonzeros Variable types: 96138 continuous, 98 integer (98 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9373 8.1486280e+04 2.600123e+05 0.000000e+00 5s 10957 8.2628209e+04 4.372072e+03 0.000000e+00 11s 12365 8.3018715e+04 1.370469e+03 0.000000e+00 15s 12732 8.3025429e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 8.302543e+04, 12732 iterations, 16.52 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 83025.4295 0 69 - 83025.4295 - - 17s H 0 0 155344.00000 83025.4295 46.6% - 26s H 0 0 138777.00000 83025.4295 40.2% - 82s 0 0 108443.141 0 24 138777.000 108443.141 21.9% - 116s 0 0 118621.504 0 13 138777.000 118621.504 14.5% - 127s 0 0 121995.850 0 4 138777.000 121995.850 12.1% - 131s H 0 0 126881.14891 121995.850 3.85% - 131s H 0 0 126164.00000 121995.850 3.30% - 131s 0 2 122001.398 0 4 126164.000 122001.398 3.30% - 134s H 1 1 124231.24208 122001.398 1.79% 0.0 134s H 2 2 123985.63492 122055.206 1.56% 239 135s H 4 4 122255.52381 122160.921 0.08% 334 136s H 5 3 122216.24370 122177.066 0.03% 350 136s H 6 3 122212.71429 122177.095 0.03% 303 136s * 8 3 8 122198.00000 122186.778 0.01% 246 136s Cutting planes: Implied bound: 96 Explored 9 nodes (35274 simplex iterations) in 136.56 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.221980000000e+05, best bound 1.221867777778e+05, gap 0.0092%